The invention discloses an air cushion BB cream and a preparation method thereof. The air cushion BB cream contains the following components: butanediol, cyclopentasiloxane, glycerol, tridecyl stearate, titanium dioxide, peg-10 polydimethylsiloxane, ethylhexyl Methoxycinnamate, disteardimonium hectorite, polydimethylsiloxane, a sunflower extract, mica, coconut oil, gardenia tahitensis flower, tocopherol, sodium chloride, glucan, folic acid, bacillus acidi lactic or a soybean fermentation product extract, phenoxyethanol, hydrogenated polydecene, a dunaliella salina extract, ethylhexylglycerin, bismuth oxychloride, iron oxide yellow, a Glycyrrhiza glabra extract and water. The preparation method comprises the steps of stirring until a mixture is dissolved every time one component is added, and then adding the next component. The air cushion BB cream disclosed by the invention can ensure that the skin is moisturized, exquisite, tender and smooth, has invisible pores and is uniform in skin color; and the air cushion BB cream has multiple effects of repairing flaws, preventing sweat, keeping the makeup well and the like.